CN103699199B - A kind of control system of switching on or off electricity device of electronic equipment and a kind of electronic equipment - Google Patents
A kind of control system of switching on or off electricity device of electronic equipment and a kind of electronic equipment Download PDFInfo
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- CN103699199B CN103699199B CN201310712986.0A CN201310712986A CN103699199B CN 103699199 B CN103699199 B CN 103699199B CN 201310712986 A CN201310712986 A CN 201310712986A CN 103699199 B CN103699199 B CN 103699199B
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Abstract
The invention discloses a kind of control system of switching on or off electricity device and a kind of electronic equipment of electronic equipment. This device comprises: signal controlling module and energy supply control module, and described energy supply control module is provided with power input mouth P1, output port of power source P3, signal detection port P2 and control signal input port P4; The signal detection port of signal controlling module is connected with the signal detection port P2 of energy supply control module, and the control signal output port of signal controlling module is connected with the control signal input port P4 of energy supply control module. This energy supply control module comprises: FET Q2, the first resistance R 1, the second resistance R 2, the 3rd resistance R 3, the 4th resistance R 4, touch-switch S5, the 6th diode D6, the 7th diode D7 and triode Q1; Technical scheme provided by the invention can solve existing electronic product entering under park mode, still there is the situation of power attenuation.
Description
Technical field
The present invention relates to technical field of electronic products, particularly relate to a kind of control system of switching on or off electricity of electronic equipmentDevice and a kind of electronic equipment.
Background technology
Traditional electronic product with lithium battery is the in the situation that of low-power consumption mode, and electronic product is not in factHave complete power-off, for example MCU under low-power consumption mode still needs signal to external world to carry outProcess timely. Therefore, the processor of electronic product still under park mode, although, this stoppingThe power consumption of sleep mode is smaller, but for the limited electronic product of battery capacity, such meritConsumption is also quite huge under accumulating over a long period. Therefore, need one under powering-off state, power consumption connectsBe bordering on zero equipment wake-up circuit.
In addition, consumer electronics product is stricter for the cost control of product, therefore how to have usedIt is also the challenge that research and development design faces that the hardware resource of limit is realized the more function of controlling.
In sum, entering under park mode, still there are the feelings of power attenuation in existing electronic productCondition.
Summary of the invention
The invention provides a kind of control system of switching on or off electricity device and a kind of electronic equipment of electronic equipment. The present inventionThe technical scheme providing can solve existing electronic product under park mode, still there is powerThe situation of loss.
The control system of switching on or off electricity device that the invention discloses a kind of electronic equipment, this device comprises: signal controllingModule and energy supply control module, described energy supply control module is provided with power input mouth P1, power output endMouth P3, signal detection port P2 and control signal input port P4; The signal detection of signal controlling modulePort is connected with the signal detection port P2 of described energy supply control module, the control letter of signal controlling moduleNumber output port is connected with the control signal input port P4 of described energy supply control module;
This energy supply control module comprises: FET Q2, the first resistance R 1, the second resistance R 2, the 3rdResistance R 3, the 4th resistance R 4, touch-switch S5, the 6th diode D6, the 7th diode D7 and threeLevel pipe Q1;
Wherein:
Power input mouth P1 is connected with the source electrode of FET Q2; Output port of power source P2 and fieldThe drain electrode of effect pipe Q2 is connected;
The colelctor electrode of triode Q1 is connected with the grid of FET Q2, the emitter stage of triode Q1Ground connection, the base stage of triode Q1 is connected with one end of the 4th resistance R 4, the other end of the 4th resistance R 4P4 is connected with control signal input port;
The positive pole of the 6th diode D6 is connected with signal detection port P2, the negative pole of the 6th diode D6Be connected with one end of touch-switch S5; The colelctor electrode of the positive pole of the 7th diode D7 and triode Q1 connectsConnect, the negative pole of the 7th diode D7 is connected with described one end of touch-switch S5; Touch-switch S5'sThe other end is connected with one end of the 3rd resistance R 3, the base of the other end of the 3rd resistance R 3 and triode Q1The utmost point connects;
One end of the first resistance R 1 is connected with builtin voltage V1, the other end of the first resistance R 1 and letterNumber detection port P2 is connected;
One end of the second resistance R 2 is connected with the source electrode of FET Q2, another of the second resistance R 1End is connected with the colelctor electrode of triode Q1.
In said apparatus, the in the situation that of output port of power source P3 Non voltage output,
Described signal controlling module, while being greater than preset value for the duration of pressing at touch-switch S5,Energising is started working, and draws high the level of described control signal input port P4;
In the situation that output port of power source P3 has Voltage-output,
Described signal controlling module, for the low voltage signal that detects at signal detection port P2 placeDuration, while being greater than preset value, drags down the level of described control signal input port P4.
In said apparatus, in the situation that output port of power source P3 has Voltage-output, described signal controlMolding piece, is also less than for the duration of the low voltage signal that detects at signal detection port P2 placeWhen preset value, carry out the default operation corresponding with described instruction according to the instruction of user's input.
In said apparatus, the preset value of described duration is 3s.
In said apparatus, the resistance of the first resistance R 1 is 47k Ω;
And/or,
The resistance of the second resistance R 2 is 47k Ω;
And/or,
The resistance of the 3rd resistance R 3 is 10k Ω;
And/or,
The resistance of the 4th resistance R 4 is 10k Ω.
In said apparatus, triode Q1 is NPN type triode;
And/or,
FET is P-channel field-effect transistor (PEFT) pipe.
In said apparatus, described signal controlling module is: the MCU of described electronic equipment.
The invention also discloses a kind of electronic equipment, this electronic equipment comprises as described in above-mentioned any oneDevice.
In sum, technical scheme provided by the invention, can be by pressing for a long time touch-switch,Make the complete power-off of system, enter idle state; And the in the situation that of the complete power-off of system, pass throughPress for a long time touch-switch, make system energising, enter normal operating conditions. only use oneTouch-switch just can be realized start to system or the function of shutdown. Device provided by the invention is by usingLess electric elements, not only reduce the production cost of device, reduce the complexity of circuit, make dressThe stability of putting is higher, and can realize the control of the lowest power consumption to system, reaches the many merits of a switchThe intensive design concept of low cost of energy.
Brief description of the drawings
Fig. 1 is the structural representation of the control system of switching on or off electricity device of the electronic equipment in an embodiment of the present inventionFigure;
Fig. 2 is the circuit diagram of the energy supply control module in an embodiment of the present invention.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing to thisBright embodiment is described in further detail.
Fig. 1 is the structural representation of the control system of switching on or off electricity device of the electronic equipment in an embodiment of the present inventionFigure, Fig. 2 is the circuit diagram of the energy supply control module in an embodiment of the present invention.
As shown in Figure 1, 2, this device comprises signal controlling module 101 and energy supply control module 102, electricitySource control module 102 is provided with power input mouth P1, output port of power source P3, signal detection port P2With control signal input port P4; Signal detection port and the energy supply control module of signal controlling module 101102 signal detection port P2 connects, control signal output port and the power supply of signal controlling module 101The control signal input port P4 of control module 102 connects;
Energy supply control module 102 comprises: FET Q2, the first resistance R 1, the second resistance R 2,Three resistance R 3, the 4th resistance R 4, touch-switch S5, the 6th diode D6, the 7th diode D7 andTriode Q1; Wherein:
Power input mouth P1 is connected with the source electrode of FET Q2; Output port of power source P2 and fieldThe drain electrode of effect pipe Q2 is connected;
The colelctor electrode of triode Q1 is connected with the grid of FET Q2, the emitter stage of triode Q1Ground connection, the base stage of triode Q1 is connected with one end of the 4th resistance R 4, the other end of the 4th resistance R 4P4 is connected with control signal input port;
The positive pole of the 6th diode D6 is connected with signal detection port P2, the negative pole of the 6th diode D6Be connected with one end of touch-switch S5; The colelctor electrode of the positive pole of the 7th diode D7 and triode Q1 connectsConnect, the negative pole of the 7th diode D7 is connected with one end of touch-switch S5; Another of touch-switch S5End is connected with one end of the 3rd resistance R 3, and the base stage of the other end of the 3rd resistance R 3 and triode Q1 connectsConnect;
One end of the first resistance R 1 is connected with builtin voltage V1 (1V95), the first resistance R 1 anotherOne end is connected with signal detection port P2; Wherein, builtin voltage V1 is in output port of power source P3The voltage of output is converted to through voltage transitions chip.
One end of the second resistance R 2 is connected with the source electrode of FET Q2, another of the second resistance R 2End is connected with the colelctor electrode of triode Q1.
In an embodiment of the present invention, after touch-switch S5 presses, energy supply control module 102Signal detection port P2 be low level. Be specially: in the feelings of output port of power source P3 Non voltage outputUnder condition, signal controlling module 101, while being greater than preset value for the duration of pressing at touch-switch S5,Energising is started working, and draws high the level of described control signal input port P4; Make FET Q2 placeIn conducting state, make output port of power source P3 export constantly high level.
In specific implementation of the present invention, under the state of shutdown, realize the process of start, need longTime press touch-switch S5, thereby make output port of power source P3 again have voltage input, inAfter signal controlling module 101 energisings under powering-off state, start working, draw high control signal input port P4Level. I.e. energising is started working signal controlling module 101 afterwards constantly at control signal inputMouth P4 input high level. Wherein, in start process, press for a long time touch-switch S5 and be for toThe time that signal controlling module is started shooting and moved.
In an embodiment of the present invention, in the situation that output port of power source P3 has Voltage-output,Signal controlling module 101, during for the low voltage signal that detects at signal detection port P2 place lastingBetween while being greater than preset value, drag down the level of described control signal input port P4. Make an effect pipe Q2In off-state, make output port of power source P3 Non voltage output.
In an embodiment of the present invention, in the situation that output port of power source P3 has Voltage-output,Signal controlling module 101, also continuing for the low voltage signal that detects at signal detection port P2 placeTime, while being less than preset value, is carried out the default behaviour corresponding with described instruction according to the instruction of user's inputDo.
In specific embodiments of the invention, the signal controlling module 101 in energising duty is at letterNumber detection port P2 detects when voltage is continued to drag down, if the duration that voltage is dragged down is greater thanPreset value, drags down the level of control signal input port P4. Be that signal controlling module 101 is no longer pastControl signal input port P4 input high level. If the duration that voltage is dragged down is less than preset value,Can not drag down the level of control signal input port P4, for receiving the instruction of user's input, according toThe default operation corresponding with described instruction carried out in the instruction of user's input.
In an embodiment of the present invention, Preset Time is 3s.
In an embodiment of the present invention, power input mouth P1 is the power supply input interface of battery,The positive pole of external power source is directly connected on this port. Signal detection port P2 is that level height detectsPort, wherein, the signal detection port of signal controlling module 101 can detect this energy supply control module always102 signal detection port P2 port, and according to the level situation of the signal detection port P2 detecting,Process accordingly. Output port of power source P3, for the electronic product power supply to corresponding. Power supply controlThe control signal input port P4 of module 102 is for receiving the control signal of signal controlling module 101Input. And the power supply of signal controlling module 101 is provided by output port of power source P3, when power supply is defeatedWhen outbound port P3 has power supply output, the 101 energising work of signal controlling module; As output port of power source P3While thering is no power supply output, 101 power-off of signal controlling module are not worked.
In order to make technical scheme of the present invention clearer, the first work to device provided by the present inventionFlow process is elaborated: wherein, system refers to the device that has used control power on/off provided by the inventionSystem.
In system in complete power-off in the situation that, i.e. power input mouth P1 external power supply, power supply is defeatedThe non-transformer output of outbound port P3 place. In this case, signal controlling module 101 does not power on, thereforeDo not work, and control signal input port P4 is the low level of acquiescence.
In the time not pressing touch-switch S5, touch-switch S5 is in off-state, and, triodeQ1 is in cut-off state, and the grid of FET Q2 is high level, and FET Q2 is operated in folderDisconnected district, output port of power source P3 does not have Voltage-output.
In the time pressing for a long time (being called for short " long pressing ") touch-switch S5, touch-switch S5 conducting,The grid voltage of FET Q2 is dragged down, now FET Q2 conducting, output port of power source P3There is Voltage-output. When output port of power source P3 has Voltage-output, signal controlling module 101 powers on automaticallyAnd operation, by working procedure, the level of control signal input port P4 pin is drawn high, make threeThe base stage of utmost point pipe Q1 is high level, now triode Q1 conducting. After triode Q1 conducting, field-effectThe grid voltage of pipe Q2 is dragged down by the triode Q1 ground connection of conducting again. Due to three of now conductingThe level of the grid that has dragged down FET Q2 of utmost point pipe Q1, so, even if unclamp touch-switch S5,FET Q2 also can keep conducting state, and output port of power source P3 continues to have power supply output. ByThis device completes power up, and enters normal mode of operation, i.e. "on" position.
In a kind of specific embodiment of the present invention, it is to want that touch-switch S5 needs " long pressing " reasonPower on to signal controlling module 101 and reserve time enough with running software.
In system in "on" position, need to allow system enter the state of complete power-off time:
The long touch-switch S5 that presses, the negative electrode of diode D7 and D6 will ground connection, due to D7 and D6Conducting voltage is very little, and the anode voltage-to-ground of D7 is just very little, so think that the voltage of P2 is dragged down. LetterThe voltage of number detection port P2 can be dragged down for a long time. When signal controlling module 101 detects signalWhen the voltage of detection port P2 is dragged down for a long time, signal controlling module 101 can drag down controls letterThe voltage of number input port P4, makes triode Q1 cut-off. After unclamping touch-switch S5, an effectThe grid that should manage Q2 returns to high level state, makes FET Q2 be operated in pinch off region, makes electricitySource output terminal mouth P3 does not have Voltage-output. System enters the state of complete power-off, and signal controlling mouldThe in the situation that piece 101 being exported at non-transformer, also quit work in the lump.
In other embodiments of the invention, the time of pressing of touch-switch S5 is distinguished, ifIn the situation that signal controlling module 101 is switched on, when length is pressed touch-switch S5, make FET Q2Be operated in pinch off region, make system cut-off enter idle state, i.e. output port of power source P3 non-transformerOutput. The short touch-switch S5 that presses, signal controlling module 101 is carried out other operation according to program. ItsIn, the length of touch-switch S5 by with short by being specially, the short duration of pressing for [1～3) second, longThe duration of pressing is [3～5] second.
In an embodiment of the present invention, described signal controlling module 101 can be electronic equipmentMCU, MCU is generally IC chip, for example, be the NUC123SD4AN0 of Nuvoton companyOr the Bluetooth chip CSR8670 of CSR company.
In an embodiment of the present invention, can by long by touch-switch S5 realize wake up correspondingSystem or close corresponding system, after powered-down, all electronics unit including MCUDevice is not worked, and greatly reduces the power consumption of system.
In addition, in preferred embodiment of the present invention, can also pass through the cooperation of MCU software, pass throughThe short touch-switch S5 that presses realizes the setting to some duty of system, can carry out as the case may beArrange. Make in running order MCU enter the pattern of setting; It is wherein said in pattern is setMCU can operate accordingly according to the instruction of user's input.
As can be seen here, the advantage of the device of control power on/off provided by the invention not only can greatly reduce and establishStandby power consumption, can also realize the multi-functional control of one key, can effectively reduce the same of equipment power dissipationTime can also reduce the cost of designing and developing.
In a kind of specific embodiment of the present invention, the resistance of the first resistance R 1 is 47k Ω, the first resistanceR1 is without required precision.
In a kind of specific embodiment of the present invention, the resistance of the second resistance R 2 is 47k Ω, the second resistanceR2 is without required precision.
In a kind of specific embodiment of the present invention, the resistance of the 3rd resistance R 3 is 10k Ω, the 3rd resistanceR3 is without required precision.
In a kind of specific embodiment of the present invention, the resistance of the 4th resistance R 4 is 10k Ω, the 4th resistanceR4 is without required precision.
In a kind of specific embodiment of the present invention, the 6th diode D6 and the 7th diode D7 only needPlay anti-reverse effect, concrete model no requirement (NR).
In a kind of specific embodiment of the present invention, triode Q1 is NPN type triode, wherein, and threeUtmost point pipe Q1 is the NPN type diode that plays on-off action, and concrete model no requirement (NR) can be according to specifically shouldWith selection.
In a kind of specific embodiment of the present invention, FET Q2 is P-channel field-effect transistor (PEFT) pipe, wherein,FET Q2 has been on-off action P-channel field-effect transistor (PEFT) pipe, and concrete model no requirement (NR), can be according to equipmentPower consumption is selected different devices.
In a kind of specific embodiment of the present invention, touch-switch S5, only needs to rise and presses conducting and unclampDisconnection effect, concrete model no requirement (NR).
The invention also discloses a kind of electronic product, this electronic product comprises described in above-described embodimentControl the device of power on/off.
In sum, technical scheme provided by the invention, under system "on" position, can press by lengthTouch-switch, makes the complete power-off of system, enters idle state; And in the feelings of the complete power-off of systemUnder condition, press touch-switch by length, make system energising, enter normal operating conditions. only useTouch-switch just can be realized start to system or the function of shutdown. Device provided by the invention passes throughUse less electric elements, not only reduced the production cost of device, reduced the complexity of circuit, madeThe stability that must install is higher, and can realize the control of the lowest power consumption to system, reaches a switchThe design concept that multi-functional low cost is intensive.
The foregoing is only preferred embodiment of the present invention, be not intended to limit protection model of the present inventionEnclose. All any amendments of doing within the spirit and principles in the present invention, be equal to replacement, improvement etc., allBe included in protection scope of the present invention.
Claims (8)
1. a control system of switching on or off electricity device for electronic equipment, is characterized in that, this device comprises: signal controlMolding piece and energy supply control module, described energy supply control module is provided with power input mouth P1, power supply outputPort P3, signal detection port P2 and control signal input port P4; The signal inspection of signal controlling moduleSurvey port and be connected with the signal detection port P2 of described energy supply control module, the control of signal controlling moduleSignal output port is connected with the control signal input port P4 of described energy supply control module;
This energy supply control module comprises: FET Q2, the first resistance R 1, the second resistance R 2, the 3rdResistance R 3, the 4th resistance R 4, touch-switch S5, the 6th diode D6, the 7th diode D7 and threeLevel pipe Q1;
Wherein:
Power input mouth P1 is connected with the source electrode of FET Q2; Output port of power source P2 and fieldThe drain electrode of effect pipe Q2 is connected;
The colelctor electrode of triode Q1 is connected with the grid of FET Q2, the emitter stage of triode Q1Ground connection, the base stage of triode Q1 is connected with one end of the 4th resistance R 4, the other end of the 4th resistance R 4P4 is connected with control signal input port;
The positive pole of the 6th diode D6 is connected with signal detection port P2, the negative pole of the 6th diode D6Be connected with one end of touch-switch S5; The colelctor electrode of the positive pole of the 7th diode D7 and triode Q1 connectsConnect, the negative pole of the 7th diode D7 is connected with described one end of touch-switch S5; Touch-switch S5'sThe other end is connected with one end of the 3rd resistance R 3, the base of the other end of the 3rd resistance R 3 and triode Q1The utmost point connects;
One end of the first resistance R 1 is connected with builtin voltage V1, the other end of the first resistance R 1 and letterNumber detection port P2 is connected;
One end of the second resistance R 2 is connected with the source electrode of FET Q2, another of the second resistance R 1End is connected with the colelctor electrode of triode Q1.
2. device according to claim 1, is characterized in that,
The in the situation that of output port of power source P3 Non voltage output, described signal controlling module, forThe duration that touch-switch S5 presses, while being greater than preset value, energising was started working, and drew high described controlThe level of signal input port P4;
In the situation that output port of power source P3 has Voltage-output, described signal controlling module, forThe duration of the low voltage signal that signal detection port P2 place detects, while being greater than preset value, drags down instituteState the level of control signal input port P4.
3. device according to claim 2, is characterized in that,
In the situation that output port of power source P3 has Voltage-output, described signal controlling module, also forThe duration of the low voltage signal detecting at signal detection port P2 place is while being less than preset value, according toThe default operation corresponding with described instruction carried out in the instruction of user's input.
4. device according to claim 2, is characterized in that,
The preset value of described duration is 3s.
5. device according to claim 2, is characterized in that,
The resistance of the first resistance R 1 is 47k Ω;
And/or,
The resistance of the second resistance R 2 is 47k Ω;
And/or,
The resistance of the 3rd resistance R 3 is 10k Ω;
And/or,
The resistance of the 4th resistance R 4 is 10k Ω.
6. device according to claim 2, is characterized in that,
Triode Q1 is NPN type triode;
And/or,
FET is P-channel field-effect transistor (PEFT) pipe.
7. according to the arbitrary described device of claim 1 to 6, it is characterized in that,
Described signal controlling module is: the MCU of described electronic equipment.
8. an electronic equipment, is characterized in that, this electronic equipment comprises as appointed in claim 1～7The device of anticipating described in one.
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| CN104104371A (en) * | 2014-06-27 | 2014-10-15 | 青岛歌尔声学科技有限公司 | Electronic product switching circuit |
| CN105589343A (en) * | 2014-11-14 | 2016-05-18 | 西安电子科技大学 | Single-power accurately controllable time switch based on programmable device |
| CN105911904A (en) * | 2016-04-11 | 2016-08-31 | 深圳市泰科汉泽精密电子有限公司 | Touch switch device circuit, control circuit and control method |
| CN106959726B (en) * | 2017-04-21 | 2019-01-11 | 深圳市瀚索科技开发有限公司 | A kind of on/off circuit based on touch-switch |
| CN112994408A (en) * | 2019-12-02 | 2021-06-18 | 佛山市顺德区美的电热电器制造有限公司 | Low-power-consumption control system and control method, and electronic device |
| CN110908416A (en) * | 2019-12-30 | 2020-03-24 | 高鑫（横琴）技术服务有限公司 | Low-power-consumption type Internet of things intelligent equipment centralized control terminal and GPU temperature control method thereof |
| CN111356088B (en) * | 2020-03-16 | 2021-09-21 | 无锡市铖月科技有限公司 | Device control method, device, communication control circuit, and storage medium |
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